Hand-wound skeleton movement featuring a flying one-minute tourbillon at 6 o'clock. Boasts an exceptional 170-hour (7+ day) power reserve from dual serial spring barrels. Features silicon balance spring and escapement. Bridge design inspired by a 1922 Ulysse Nardin pocket watch movement. Used in Executive Skeleton Tourbillon models.
Movement Type
Manual Wind
Jewel Count
23 jewels
Power Reserve
170h
Frequency
18,000 vph (5 Hz)
Diameter
37mm
Display Type
Analog
BRAND
Ulysse NardinTYPE
Manual WindSTATUS
In ProductionMANUFACTURE
In-houseLAUNCH YEAR
2013CALIBER FAMILY
UN-17xCOUNTRY
SwitzerlandALSO KNOWN AS
